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High School Math I Numbers and Expressions Quiz
20-question expansion and product formulas
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3
Your result
Correct：20、Wrong：0
57.33
record-breaking!You got third place!
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Look at the expression form first.
Check whether it is expansion, factoring, square root, rationalization, inequality, absolute value, or set notation.
Check signs and conditions carefully.
Minus signs, inequality directions, square-root simplification, and set symbols are common mistake points.
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